Tekcom TM-338, Owner'S Manual

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appears on the display. See DSC Operation for
complete description of DSC function.
Distress:
Open the protection cover, then press and release the
DISTRESS button to enter distress Mode. Channel 70
is automatically selected with high power, and the
Send Call Menu appears on the display. See Distress
Operation for complete description of distress function.
4.4 FUNCTION DESCRITION
High/Low: Press and release
HI/LO to toggle between 23 Watt
power output and 1 watt power. “HI” or “LO” icon
appears on LCD display to indicate the setting.
When radio is tuned to channels restricted to low
power output, pressing HI/LO key overrides the low
power setting ONLY if permissible in FCC guidelines.
High/Low functions in the normal VHF Mode or MEM
Mode. In DSC mode HI/LO key has no function and
will produce an error tone when being pressed.
Scan: Pressing and releasing SCAN button (for
less than 1 second) to activate scanning.
Scan mode is either in Normal (Scan
1,2,3,4...) or Priority (Scan 1,16,2,16,3,16...)
depending on user’s programming. A text
appears on the display to indicate the Scan
Function is active. When the scan function is
active, press and release
SCAN button to
deactivate scan function.
When radio is in Memory Mode, memory
channels are scanned. When in normal VHF
(USA, INT) Mode, channels in the selected
band are scanned. When in WX Mode,
weather channels are scanned. When in
DSC Mode, scan has no function and an
error tone is produced.
Pressing and holding SCAN button for greater
than 1 second toggles the Scan Function between
normal and priority scan. When the scan
programming function changes, an audible tone is
produced and the alternative selected Scan
Function momentarily appears on the LCD in the
Text Area, written as "PRI- SCAN" or "NOR-
SCAN". The default setting is Priority Scan.
Dual / TRI Watch:
Press and release WATCH button (for less than 1
second) to activate dual or tri-watch function
depending on user programming. Characters
appear on the display to indicate each watch
function. When dual or tri watch is active, press
WATCH button to deactivate.
Dual Watch monitors the working channel,
channel 16 and last tuned WX channel for the
NOAA weather alert signal. The ”Cloud” icon
appears on the display to indicate that NOAA
weather alert is functioning and an audible alert
tone is produced.
TRI Watch monitors the working channel, channel
16, channel 9 and the last tuned WX channel for
the NOAA weather alert signal. The ”Cloud” icon
appears on the display to indicate that NOAA
weather alert is functioning and an alert tone
audible is produced.
Pressing and holding WATCH for greater than 1
second toggles the Key Function between Dual or
Tri scan. When the key programming function
changes, an audible tone is produced and the
alternative selected Scan function momentarily
appears on the LCD in the Text Area, written as
"DUAL WATCH" or "TRI WATCH". The default
setting is Dual Watch.